diff --git a/src/main/java/com/genersoft/iot/vmp/service/impl/MediaServerServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/service/impl/MediaServerServiceImpl.java
index 385dd5e4..9ee55310 100644
--- a/src/main/java/com/genersoft/iot/vmp/service/impl/MediaServerServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/service/impl/MediaServerServiceImpl.java
@@ -405,7 +405,7 @@ public class MediaServerServiceImpl implements IMediaServerService {
         }
         final String zlmKeepaliveKey = zlmKeepaliveKeyPrefix + serverItem.getId();
         dynamicTask.stop(zlmKeepaliveKey);
-        dynamicTask.startDelay(zlmKeepaliveKey, new KeepAliveTimeoutRunnable(serverItem), serverItem.getHookAliveInterval() * 1000);
+        dynamicTask.startDelay(zlmKeepaliveKey, new KeepAliveTimeoutRunnable(serverItem), (serverItem.getHookAliveInterval() + 5) * 1000);
         publisher.zlmOnlineEventPublish(serverItem.getId());
         logger.info("[ZLM] 连接成功 {} - {}:{} ",
                 zlmServerConfig.getGeneralMediaServerId(), zlmServerConfig.getIp(), zlmServerConfig.getHttpPort());
@@ -438,6 +438,8 @@ public class MediaServerServiceImpl implements IMediaServerService {
     @Override
     public void zlmServerOffline(String mediaServerId) {
         delete(mediaServerId);
+        final String zlmKeepaliveKey = zlmKeepaliveKeyPrefix + mediaServerId;
+        dynamicTask.stop(zlmKeepaliveKey);
     }
 
     @Override
@@ -657,7 +659,7 @@ public class MediaServerServiceImpl implements IMediaServerService {
         }
         final String zlmKeepaliveKey = zlmKeepaliveKeyPrefix + mediaServerItem.getId();
         dynamicTask.stop(zlmKeepaliveKey);
-        dynamicTask.startDelay(zlmKeepaliveKey, new KeepAliveTimeoutRunnable(mediaServerItem), mediaServerItem.getHookAliveInterval() * 1000);
+        dynamicTask.startDelay(zlmKeepaliveKey, new KeepAliveTimeoutRunnable(mediaServerItem), (mediaServerItem.getHookAliveInterval() + 5) * 1000);
     }
 
     private MediaServerItem getOneFromDatabase(String mediaServerId) {
diff --git a/src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/platform/PlatformController.java b/src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/platform/PlatformController.java
index 0e003e57..2a403301 100644
--- a/src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/platform/PlatformController.java
+++ b/src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/platform/PlatformController.java
@@ -179,7 +179,8 @@ public class PlatformController {
                     commanderForPlatform.register(parentPlatform, null, null);
                 }
 
-            } else if (parentPlatformOld != null && parentPlatformOld.isEnable() && !parentPlatform.isEnable()) { // 关闭启用时注销
+            } else if (parentPlatformOld != null && parentPlatformOld.isEnable()) {
+                // 关闭启用时注销
                 commanderForPlatform.unregister(parentPlatform, null, null);
             }
             return null;